[Issue 11757] New: toHexString doesn't support dynamic array

[d-bugmail at puremagic.com]

https://d.puremagic.com/issues/show_bug.cgi?id=11757

           Summary: toHexString doesn't support dynamic array
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Phobos
        AssignedTo: nobody at puremagic.com
        ReportedBy: pro.mathias.lang at gmail.com


--- Comment #0 from Mathias LANG <pro.mathias.lang at gmail.com> 2013-12-17 04:23:30 PST ---
import std.digest.md;
import std.digest.sha;

ubyte[]    hmac_md5(ubyte[] key, string msg)
{
    immutable auto blocksize = 64;
    if (key.length > blocksize)
        key = md5Of(key);
    if (key.length < blocksize)
        key.length = blocksize;
    ubyte[blocksize] okp = 0x5c;
    ubyte[blocksize] ikp = 0x36;
    for (size_t i = 0; i < blocksize; ++i)
        okp[i] ^= key[i];
    for (size_t i = 0; i < blocksize; ++i)
        ikp[i] ^= key[i];
    return md5Of(okp ~ md5Of(ikp ~ cast(ubyte[])(msg)));
}
ubyte[]    hmac_md5(string key, string msg)
{
    return hmac_md5(cast(ubyte[])(key), msg);
}

unittest {
    auto md5hmac = hmac_md5("key", "The quick brown fox jumps over the lazy
dog");
    assert(toHexString(md5hmac) == "80070713463E7749B90C2DC24911E275");
}


This unittest will fail (toHexString returns
'E0166C00000000000000000000000000'), but if you replace ubyte[] with ubyte[16]
-or auto-, it'll pass.
DMD 2.064.2

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